From 94ff465c855e4ebad340b34d56968b2fbc536f95 Mon Sep 17 00:00:00 2001
From: Gleb Mazovetskiy <glex.spb@gmail.com>
Date: Sat, 27 Nov 2021 16:25:49 +0000
Subject: [PATCH] A script for building and installing smpq from source

Useful when developing on systems that do not have an SMPQ package.
Should be compatible with Linux, *BSD, Mac.
---
 tools/build_and_install_smpq.sh | 55 +++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100755 tools/build_and_install_smpq.sh

diff --git a/tools/build_and_install_smpq.sh b/tools/build_and_install_smpq.sh
new file mode 100755
index 000000000..7668d29e8
--- /dev/null
+++ b/tools/build_and_install_smpq.sh
@@ -0,0 +1,55 @@
+#!/bin/sh
+
+# Downloads, builds, and installs SMPQ from source.
+#
+# Useful when developing on systems that do not have an SMPQ package.
+# Compatible with Linux, *BSD, and macOS.
+# Requires: cmake curl sed sudo zlib bzip2
+
+set -ex
+
+PARALLELISM="$(getconf _NPROCESSORS_ONLN)"
+STORMLIB_VERSION=9.23
+STORMLIB_SRC="/tmp/stormlib-src-$STORMLIB_VERSION"
+SMPQ_VERSION=1.6
+SMPQ_SRC="/tmp/smpq-src-$SMPQ_VERSION"
+
+# Download, build, and install the static version of StormLib, an SMPQ dependency, to the staging prefix.
+if ! [ -d "$STORMLIB_SRC" ]; then
+	mkdir "$STORMLIB_SRC"
+	curl -L -s "https://github.com/ladislav-zezula/StormLib/tarball/v${STORMLIB_VERSION}" | tar -C "$STORMLIB_SRC" --strip-components=1 -xvzf -
+fi
+
+cmake -S"$STORMLIB_SRC" -B"$STORMLIB_SRC"/build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/tmp/smpq-staging -DBUILD_SHARED_LIBS=OFF \
+	-DWITH_STATIC=ON -DSTORM_BUILD_TESTS=OFF -DWITH_LIBTOMCRYPT=OFF
+cmake --build "$STORMLIB_SRC"/build --config Release --target install -j"$PARALLELISM"
+
+# Download, build, and install SMPQ.
+if ! [ -d "$SMPQ_SRC" ]; then
+	mkdir "$SMPQ_SRC"
+	curl -L -s "https://launchpad.net/smpq/trunk/${SMPQ_VERSION}/+download/smpq_${SMPQ_VERSION}.orig.tar.gz" | tar -C "$SMPQ_SRC" --strip-components=1 -xvzf -
+
+	# StormLib.a is C++ and must be linked with a C++ linker (e.g. via g++ instead of gcc).
+	sed -i.bak -e '/^project/a\
+file(GLOB_RECURSE CFILES "${CMAKE_SOURCE_DIR}/*.c")\
+SET_SOURCE_FILES_PROPERTIES(${CFILES} PROPERTIES LANGUAGE CXX)' "$SMPQ_SRC"/CMakeLists.txt
+
+	# StormLib is linked statically, so we need to add links its dynamic link dependencies to smpq itself.
+	sed -i.bak -e 's|target_link_libraries(smpq ${STORMLIB_LIBRARY})|find_package(ZLIB REQUIRED)\
+	find_package(BZip2 REQUIRED)\
+	target_link_libraries(smpq ${STORMLIB_LIBRARY} ${ZLIB_LIBRARY} ${BZIP2_LIBRARIES})|' "$SMPQ_SRC"/CMakeLists.txt
+
+	# Do not generate the manual.
+	sed -i.bak -e 's|if(NOT CMAKE_CROSSCOMPILING)|if(FALSE)|' "$SMPQ_SRC"/CMakeLists.txt
+
+	# Fix missing header includes.
+	sed -i.bak -e '/#include <string.h>/a\
+#include <stdio.h>' "$SMPQ_SRC/append.c"
+	sed -i.bak -e '/#include <StormLib.h>/a\
+#include <string.h>' "$SMPQ_SRC/remove.c"
+fi
+
+# The StormLib version check in SMPQ CMake is broken. We bypass it by passing the paths to StormLib explicitly.
+cmake -S"$SMPQ_SRC" -B"$SMPQ_SRC"/build -DCMAKE_BUILD_TYPE=Release -DWITH_KDE=OFF -DCMAKE_PREFIX_PATH=/tmp/smpq-staging \
+	-DSTORMLIB_INCLUDE_DIR=/tmp/smpq-staging/include -DSTORMLIB_LIBRARY=/tmp/smpq-staging/lib/libstorm.a
+sudo cmake --build "$SMPQ_SRC"/build --config Release --target install -j"$PARALLELISM"